/* for block of numbers */
.hljs-ln-numbers {
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;

    text-align: center;
    color: #6e7781;
    /* border-right: 1px solid #CCC; */
    vertical-align: top;
    padding-right: 5px;

    /* your custom style here */
}


.hljs-ln-code {
    padding: 0 1em;
}